Serious Sam Classics: Revolution Released

Serious Sam Classics: Revolution is now
available on Steam,
offering a fan-created game based on Serious Sam Classic: The First Encounter
and The Second Encounter, that adds updated tech, modes, campaign levels, and
all the popular mods, weapons and maps. This is half-off as an Early Access
release, and it is free to those who own The First Encounter and The Second
Encounter on Steam. Here's the project's
official
trailer.